The best selection both for the whole country and for the sub-regions is the case of "middle or large specifications of one couple one child for one generation fertilitypolicy for another 15 years".
在全国层面和省区层面有着较大普遍性的优选方案是15年后实行中口径或大口径的一代独生子女政策。
2
With its fertility artificially suppressed by the one-child policy, it is ageing at an unprecedented rate.
由于其生育率被独生子女政策人为地压低，它的老化速度也是史无前例的。
3
But the policy has almost certainly reduced fertility below the level to which it would have fallen anyway.